| National Barkfly Recording Scheme (Britain and Ireland)  | 
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    Peripsocus didymus | 
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	  Species account | 
   
  
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    Medium sized (c. 3-4mm) brown barkfly.  Widespread in Britain.  Superficially looks similar to P. phaeopterus and P. consobrinus. | 
   
  
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    No areola postica.  Forewings uniformly pale brown or  occasionally with dark marks (see below). | 
   
  
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    Forewings occasionally with dark marks  particularly in the apical cells. | 
   
  
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    Female 
      Subgenital plate (underside of abdomen) with the  middle section between the two ‘arms’ as dark as the arms. The lobe at the apex  of the plate narrows very slightly at the end.
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    Male 
    Phallosome with sclerite arms crossing. | 
   
 
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